package com.atguigu.gmall.publisher.mapper;

import com.atguigu.gmall.publisher.beans.KeywordStats;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * Author: Felix
 * Date: 2022/1/11
 * Desc: 关键词统计Mapper接口
 */
public interface KeywordStatsMapper {
    @Select("select keyword,  " +
        "sum(keyword_stats_0701.ct * " +
        "multiIf(" +
        "source='SEARCH',10," +
        "source='ORDER',5," +
        "source='CART',2," +
        "source='CLICK',1,0" +
        ")) ct  from keyword_stats_0701 " +
        "where toYYYYMMDD(stt)=#{date} group by keyword order by ct desc " +
        "limit #{limit}")
    List<KeywordStats> selectKeywordStats(@Param("date") Integer date,@Param("limit") Integer limit);
}
